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Finding the Fourth Proportional to 13,773.15, 19,006.83 and 7,805.97

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Solution

The fourth proportional to 13,773.15, 19,006.83 and 7,805.97 is: 10,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.15 : 19,006.83 = 7,805.97 : x
  2. Step 2: Convert to fraction form
    13,773.15/19,006.83 = 7,805.97/x
  3. Step 3: Cross multiply
    13,773.15x = 19,006.83 × 7,805.97
  4. Step 4: Simplify right side
    13,773.15x = 148,366,744.78
  5. Step 5: Solve for x
    x = 148,366,744.78/13,773.15
  6. Step 6: Final answer
    x = 10,772.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.